Emollient compositions

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A - Human Necessities

61

K

A61K 8/19 (2006.01) A61K 8/04 (2006.01) A61K 8/29 (2006.01) A61K 8/34 (2006.01) A61K 8/36 (2006.01) A61K 8/37 (2006.01) A61K 8/41 (2006.01) A61K 8/44 (2006.01) A61K 8/49 (2006.01) A61K 8/67 (2006.01) A61K 8/81 (2006.01) A61K 8/86 (2006.01) A61K 8/891 (2006.01) A61K 8/92 (2006.01) A61Q 1/02 (2006.01) A61Q 1/04 (2006.01) A61Q 1/06 (2006.01) A61Q 1/10 (2006.01) A61Q 17/04 (2006.01) A61Q 19/00 (2006.01)

Patent

CA 2306816

An emollient composition is described which comprises: partially saturated wax esters comprising: IV. R1-COO-CH2 and/or V. R2COO-CH2-R1, at least 10 % by weight of alkyl esters comprising: VI. R1-COO- R4 and/or VII. R2-COO-R4 and at least 10 % by weight of fatty alcohols comprising: VIII. R1CH2-OH and/or IX. R2CH2-OH wherein R4 comprises an alkyl or other aliphatic group, such as C a H2n+1, wherein n=1 to 12, R1 comprises CH3-(CH2)7-CH-CH-CH2-(CH2)x- , and R2 comprises CH3-(CH2)y wherein x is 6, 8, 10 and/or 12 and y is 16, 18, 20 and/or 22. A process for producing the emollient comprises the steps of: a) providing a composition comprising jojoba oil and/or hydrogenated jojoba oil, b) adding an alcohol, e.g., having from 1 to 12 carbon atoms, to said composition, c) effecting alcoholysis on said jojoba oil mixed with said alcohol to produce an emollient, and d) effecting 1n interesterification of residual wax esters.

L'invention concerne une composition émolliente comprenant: des esters de cire en partie saturés comprenant: IV. R<1>-COO-CH2-R<2> et/ou V. R<2>-COO-CH2-R<1>, au moins 10 % en poids d'esters d'alkyle comprenant: VI. R<1>-COO-R<4> et/ou VII. R<2>-COO-R<4> et au moins 10 % en poids d'alcools gras comprenant: VIII. R<1>CH2-OH et/ou IX. R<2>CH2-OH, R<4> comprenant un alkyle ou un autre groupe aliphatique, tel que CnH2n+1, n étant compris entre 1 et 12, R<1> comprenant CH3-(CH2)7-CH=CH-CH2-(CH2)x-, et R<2> comprenant CH3-(CH2)y, x représentant 6, 8, 10 et/ou 12 et y représentant 16, 18, 20 et/ou 22. Un procédé de production de l'émollient consiste: a) à prendre une composition comprenant de l'huile de jojoba et/ou de l'huile de jojoba hydrogénée, b) à ajouter un alcool, contenant par exemple 1 à 12 atomes de carbone, à cette composition, c) à effectuer une alcoolyse sur cette huile de jojoba mélangée à cet alcool pour produire un émollient, et d) à effectuer une interestérification des esters de cire résiduels.

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